Tong, Mingkun
Lin, Weiwei
Liu, Hengyi
Gong, Jicheng
Zhang, Junfeng
Xue, Tao
Funding for this research was provided by:
National Natural Science Foundation of China (42175182, 41701591)
Article History
Received: 27 January 2023
Accepted: 1 September 2023
First Online: 14 September 2023
Declarations
:
: Ethics approval is not needed because we use publicly available population data.
: Not applicable.
: The authors declare no competing interests.